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Flashcards in Pneumonia ⚜ Deck (44):
1

Gram positive lancet-shaped diplococci

Streptococcus pneumoniae

2

Part of the endogenous flora of 20% of adults

Streptococcus pneumoniae

3

Pleomorphic gram negative bacilli

Haemophilus influenza

4

Life-threatening acute LRTI in children

Haemophilus influenza

5

Ubiquitous colonizer of the pharynx

Haemophilus influenza

6

In H. influenza Encapsulated form produces

Haemocin

7

The most frequent cause of severe invasive disease

Haemophilus influenza Type B

8

IV drug users

Staphylococcus aureus

9

Important cause of hospital acquired pneumonia

Staphylococcus aureus

10

Most frequent cause of gram negative bacteria pmeumonia

Klebsiella pneumoniae

11

Debilitated, malnourished patient and chronic alcoholics

Klebsiella pneumoniae

12

Invades blood vessels with consistent extrapulmonary spread

Pseudomonas aeruginosa

13

Cystic fibrosis

Pseudomonas aeruginosa

14

Pontiac fever

Legionella pneumophilia

15

Artificial aquatic environment

Legionella pneumophilia

16

Patchy consolidation of the lung

Bronchopneumonia

17

More often Multilobar

Bronchopneumonia

18

Frequently bilateral and basal

Bronchopneumonia

19

Well develop lesions; slightly elevated, granular, gray-red to yellow and poorly delineated

Bronchopneumonia

20

Etiologic agents of Bronchopneumonia

Staph
Strep
Pneumococci
H. Influenza
P. aeruginosa

21

Fibrinosuppurative consolidation of an ENTIRE LOBE

Lobar pneumonia

22

Causative agent of Lobar pneumonia

Strep. pneumoniae

23

Particle size: Deposited largely turbulent airflow of nose and upper airways

>10mm

24

Particle size: lodge in the trachea and bronchi

3-10mm

25

Particle size: deposited in the terminal airways and alveoli

1-5mm

26

Particle size: Remain suspended in the inspired be exhaled

27

Spread through PORES OF KOHN

Lobar pneumonia

28

Heavy, BOGGY, red vascular engorgement, numerous bacteria and few PMNs

Congestion/edema

29

Massive confluent exudation of RBCs

Red Hepatization

30

Fibrin in alveolar space

Red Hepatization

31

Red, firm, airless and liver-like appearance

Red Hepatization

32

Progressive disintegration of red cells, persistence of fibrinosuppurative exudate

Grey Hepatization

33

Grayish, brown, dry surface

Grey Hepatization

34

Microscopic:
Predominant: NEUTROPHILS
Abundant fibrin deposits
Absence of bacteria

Grey Hepatization

35

Corresponds to successful contamination of the infection and improve in gas exchange

Grey Hepatization

36

Consolidation exudate within alveolar space

Resolution

37

Enzymatic digestion

Resolution

38

Dominant: MACROPHAGE

Resolution

39

Complications of Pneumonia

Bacteremic dissemination
Abscess formation
Organization - soft tissue
Empyema

40

Typical pathogens of Pneumonia

strep. Pneumoniae
h. Influenza
s. Aureus
Gram - (Pseudomonas and Kliebsella)

41

Patient has unprotected airway significant gingivitis

Suspect ANAEROBES

42

Most common cause of CAP

Streptococcus pneumoniae

43

Most obvious risk factor for Ventilator Associated Pneumonia

Endotracheal Tube (ETT)

44

Treatment of px without risk factor for MDR pathogens

Fluoroquinolone
Ampicillin/Sulbactam
Ceftriaxone
Ertapenem